@article{814316, author = {K Jones and Paul Julienne and Paul Lett and William Phillips and Eite Tiesinga and Carl Williams}, title = {Observation of Retardation in the Interaction Between Two Na Atoms Bound in a Molecule and a Determination of the Atomic 3P Lifetime}, year = {1996}, number = {35}, month = {1996-01-01 00:01:00}, publisher = {Europhysics Letters}, language = {en}, }